The courses will take between two weeks to six months to complete.
In May 2019, however, IG Hilary Mutyambai announced that officers who have served in the same rank for over 15 years would be promoted.
More than 1,000 police officers are set to be promoted after they successfully complete short training courses at the National Police College in Kiganjo.
A circular issued on Friday to all formations commanders across the country by the college’s commandant Japhet Koome disclosed that the candidates picked for the courses belong to all ranks and units including GSU, Tourism Police Unit, Internal Affairs Unit, Kenya Police Airwing,K-9 unit, Maritime unit, Diplomatic unit and traffic.